C2 Tool Collection: integrate with Cobalt Strike through BOF and reflective DLL loading techniques

by do son · February 14, 2023

Outflank – C2 Tool Collection

This repository contains a collection of tools which integrate with Cobalt Strike (and possibly other C2 frameworks) through BOF and reflective DLL loading techniques.

These tools are not part of our commercial OST product and are written with the goal of contributing to the community to which we owe a lot. Currently this repo contains a section with BOF (Beacon Object Files) tools and a section with other tools (exploits, reflective DLLs, etc.). All these tools are written by our team members and are used by us in red team assignments. Over time, more tools will be added or modified with new techniques or functionality.

Toolset contents

The toolset currently consists of the following tools:

Beacon Object Files (BOF)

Name	Decription
AddMachineAccount	Abuse default Active Directory machine quota settings (ms-DS-MachineAccountQuota) to add rogue machine accounts.
Askcreds	Collect passwords by simply asking.
CVE-2022-26923	CVE-2022-26923 Active Directory (ADCS) Domain Privilege Escalation exploit.
Domaininfo	Enumerate domain information using Active Directory Domain Services.
Kerberoast	List all SPN enabled user/service accounts or request service tickets (TGS-REP) which can be cracked offline using HashCat.
KerbHash	Hash password to kerberos keys (rc4_hmac, aes128_cts_hmac_sha1, aes256_cts_hmac_sha1, and des_cbc_md5).
Klist	Displays a list of currently cached Kerberos tickets.
Lapsdump	Dump LAPS passwords from specified computers within Active Directory.
PetitPotam	BOF implementation of the PetitPotam attack published by @topotam77.
Psc	Show detailed information from processes with established TCP and RDP connections.
Psw	Show window titles from processes with active windows.
Psx	Show detailed information from all processes running on the system and provides a summary of installed security products and tools.
Psk	Show detailed information from the Windows kernel and loaded driver modules and provides a summary of installed security products (AV/EDR drivers).
Smbinfo	Gather remote system version info using the NetWkstaGetInfo API without having to run the Cobalt Strike port (tcp-445) scanner.
SprayAD	Perform a fast Kerberos or LDAP password spraying attack against Active Directory.
StartWebClient	Start the WebClient Service programmatically from user context using a service trigger.
Winver	Display the version of Windows that is running, the build number, and patch release (Update Build Revision).